Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    15/08/2026, 09:49

General

  • Target
    Emulator DVREMU2 Manager 1.0.1 R2R/Setup DVREMU2 Manager v1.0.1.exe
  • Size 9.3MB
  • Sample260815-ltrjfstdmd
  • SHA256 9cb27edd48736aaba2e7f2f9b1761a378ebe9ae475ad12ce2858c52752bd0f0f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 10 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 14 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 4 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Inno Setup is an open-source installation builder for Windows applications. 3 IoCs

    Inno Setup installer

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 46 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Emulator DVREMU2 Manager 1.0.1 R2R\Setup DVREMU2 Manager v1.0.1.exe
    "C:\Users\Admin\AppData\Local\Temp\Emulator DVREMU2 Manager 1.0.1 R2R\Setup DVREMU2 Manager v1.0.1.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Users\Admin\AppData\Local\Temp\is-OPCVUSEFTU.tmp\Setup DVREMU2 Manager v1.0.1.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-OPCVUSEFTU.tmp\Setup DVREMU2 Manager v1.0.1.tmp" /SL5="$110044,8262918,950272,C:\Users\Admin\AppData\Local\Temp\Emulator DVREMU2 Manager 1.0.1 R2R\Setup DVREMU2 Manager v1.0.1.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4932
      • C:\Windows\SysWOW64\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\TEAM R2R\DVREMU2 Manager\Readme.txt
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of FindShellTrayWindow
        PID:4812
  • C:\Program Files\TEAM R2R\DVREMU2 Manager\DVREMU2MAN.exe
    "C:\Program Files\TEAM R2R\DVREMU2 Manager\DVREMU2MAN.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4560
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe" C:\Program Files\TEAM R2R\DVREMU2 Manager\commands\
      2⤵
        PID:2228
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3180
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C "C:\Program Files\TEAM R2R\DVREMU2 Manager\commands\DVREMU2 - Install Emulator.cmd"
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4720
        • C:\Program Files\TEAM R2R\DVREMU2 Manager\DVREMU2MAN.exe
          ..\\DVREMU2MAN install
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3332
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Program Files\TEAM R2R\DVREMU2 Manager\commands\DVREMU2 - Renew Emulator License.cmd" "
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4644
        • C:\Program Files\TEAM R2R\DVREMU2 Manager\DVREMU2MAN.exe
          ..\\DVREMU2MAN renew
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:692
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Program Files\TEAM R2R\DVREMU2 Manager\commands\DVREMU2 - Install Emulator.cmd" "
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4988
        • C:\Program Files\TEAM R2R\DVREMU2 Manager\DVREMU2MAN.exe
          ..\\DVREMU2MAN install
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4400
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Program Files\TEAM R2R\DVREMU2 Manager\commands\DVREMU2 - Test License and Emulator.cmd" "
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4488
        • C:\Program Files\TEAM R2R\DVREMU2 Manager\DVREMU2MAN.exe
          ..\\DVREMU2MAN test
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1724
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:3144

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            DVREMU2MAN.exe

            • Path C:\Program Files\TEAM R2R\DVREMU2 Manager\DVREMU2MAN.exe
            • Size 102KB
            • SHA256 90f900235485cf27acd95ee176c2a152765dea349962910a8e614de33289a964
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Readme.txt

            • Path C:\Program Files\TEAM R2R\DVREMU2 Manager\Readme.txt
            • Size 2KB
            • SHA256 57ba10d6b3c93963a34708cf2d8edfe8b2651637f794c8951687f071ef2a16c8
            • MD5 SHA1 SHA512 TLSH

            DVREMU2 - Install Emulator.cmd

            • Path C:\Program Files\TEAM R2R\DVREMU2 Manager\commands\DVREMU2 - Install Emulator.cmd
            • Size 22B
            • SHA256 9c5465254c6ecc96177657bc039f33eef1b8f99f6349187566e6e4d1f5cd0c89
            • MD5 SHA1 SHA512

            DVREMU2 - Renew Emulator License.cmd

            • Path C:\Program Files\TEAM R2R\DVREMU2 Manager\commands\DVREMU2 - Renew Emulator License.cmd
            • Size 20B
            • SHA256 d941aaf2e03be3eab4670f34e0de05bcdfbe622674779a093a91ca500e98ce71
            • MD5 SHA1 SHA512

            DVREMU2 - Test License and Emulator.cmd

            • Path C:\Program Files\TEAM R2R\DVREMU2 Manager\commands\DVREMU2 - Test License and Emulator.cmd
            • Size 19B
            • SHA256 4514aa7e9b6114da0a3b0b985a9107f5184de99f9f822ff13d2204263c373b0e
            • MD5 SHA1 SHA512

            libbz2.dll

            • Path C:\Program Files\TEAM R2R\DVREMU2 Manager\libbz2.dll
            • Size 69KB
            • SHA256 57d9cb6e10ba90a3b8e9c2b2eab2b80937b088123adb482eab71ef550cce7794
            • MD5 SHA1 SHA512 SSDEEP TLSH

            libcrypto-4-x64.dll

            • Path C:\Program Files\TEAM R2R\DVREMU2 Manager\libcrypto-4-x64.dll
            • Size 6.8MB
            • SHA256 2293979c545c2e798e141e2c13f1107687a15c590fa428976ea11a38f462c720
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Setup DVREMU2 Manager v1.0.1.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\is-OPCVUSEFTU.tmp\Setup DVREMU2 Manager v1.0.1.tmp
            • Size 4.9MB
            • SHA256 45527bd58f5908841d7fde97b0fe008d849fb46a188ab17c5e88588a249d6093
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1704-46-0x0000000000820000-0x0000000000916000-memory.dmp

            memory/1704-1-0x0000000000820000-0x0000000000916000-memory.dmp

            memory/1704-7-0x0000000000820000-0x0000000000916000-memory.dmp

            memory/4932-11-0x00000000005E0000-0x0000000000AF0000-memory.dmp

            memory/4932-8-0x00000000005E0000-0x0000000000AF0000-memory.dmp

            memory/4932-9-0x00000000011C0000-0x00000000011C1000-memory.dmp

            memory/4932-45-0x00000000005E0000-0x0000000000AF0000-memory.dmp

            memory/4932-5-0x00000000011C0000-0x00000000011C1000-memory.dmp